maratoolLLM JSON Extractor — Parse JSON from AI Output
Paste LLM response text to list every JSON block found, with validity status and a copy button per block.
Extracted JSON blocks
How to use
- Paste the full LLM response text.
- JSON blocks are detected automatically in fences and inline.
- Click Copy on any extracted block to use it in your app.
Frequently asked questions
What formats does it detect?
Markdown ```json fences, generic code fences, and inline { ... } JSON objects.
Does it validate JSON syntax?
Yes. Each block is marked valid or invalid with a parse attempt.
Can it extract multiple blocks?
Yes. Every distinct JSON block in the text is listed separately.
Is my text sent to a server?
No. Extraction happens entirely in your browser.
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